SAR for PAL 16/15 or NTSC 64/45 = Display Aspect Ratio 1. SAR for PAL 12/11 or NTSC 16/11 = Display Aspect Ratio 1.363634 (15:11) Neat app, thanks for sharing If anyone is looking for this functionality in a more robust video player format, I would recommend mpv and this slicing script - you can skim through videos SUPER fast, and extract clips in one sitting. A display aspect ratio of 15:11 is probably more technically correct, but if you want exactly 4:3 use that instead. The reason I mentioned two different SARs, is older analogue video technically isn't exactly 4:3. Then open the output with MKVToolNix and set the appropriate display aspect ratio when remuxing. In the real world I don't think it matters but.Ĭlick on any files you've added to AnotherGUI, select an output location (not the same as the source files) and click "Go". It pays to set both the SAR and the frame rate, otherwise it changes the default duration. Create a preset for the ffmpeg I linked to above, with the following command line: I've used AnotherGUI for doing it a little more automatically in the past. I can't find a way to get it to copy more than one audio stream and it makes a mess of subtitles. I'd only use it to copy the video anyway. It doesn't set the container aspect ratio though, which means you then need to open the output file with MKVToolNix and remux while specifying the display aspect ratio. For PAL it'd be 12/11 and for NTSC 16/11 (or alternatively for PAL 16/15 and NTSC 65/45). It sets the SAR though (storage/pixel aspect ratio) not the display aspect ratio. I'm fairly sure my Bluray player only reads the container aspect ratio.Īnyway, if the video is h264, you can use this to change the stream aspect ratio. When they're different, a player has to pick one to use, and some players will only ever use one or the other. The aspect ratio can generally be stored in two places, The video stream and the container (ie MKV). Both of the above two commands will make a cut of the last 10 minutes of the input video. What video codec are you using when capturing? ffmpeg -sseof -00:10:00 -i input.mp4 -c copy output6.mp4.
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